All six modern members of the family are placed in the genus equus. The term horse commonly refers only to the domestic equus caballus and to the wild przewalskis horse. Among the species in the genus equus, on average e. The genus most likely originated in north america and spread quickly to the old world. All structured data from the file and property namespaces is available under the creative commons cc0 license. Proper usage and audio pronunciation of the word genus equus. The evolutionary lineage of the horse is among the bestdocumented in all paleontology. Equus is a genus of mammals in the family equidae, which includes horses, donkeys, and zebras. While every effort has been made to provide the most reliable and uptodate information available, ultimate legal requirements with respect to species are contained in. This type of social organization is characteristic to equus caballus horse, equus zebra mountain zebra, and equus burchelli plains zebra.
Genetic characteristics and phylogenetic relationship of. For the horse, its genus name is equus, meaning any sort of horse. The horse has evolved over the past 45 to 55 million years from a small multitoed creature, eohippus, into the large, singletoed animal of today. Other socalled wild horses are feral domestic horses or their descendants. They are large, strong animals, and some breeds are used to pull heavy loads.
The case is complicated by the very much wider use of przewalskii as a name for wild horses, though przewalskii is commonly treated as a species separate from e. The history of the horse family, equidae, began during the eocene epoch, which lasted from about 56 million to 33. Domestic horses are equid members of the class mammalia, order perissodactyla, and family equidae. On horses and handling by may, jan hardback book the fast free at the best online prices at ebay. The tarpan became extinct in the 19th century, though it was a possible ancestor of the. However, it is not a legal authority for statutory or regulatory purposes.
Equus caballus domesticus linnaeus, 1758 equus caballus fossilis equus caballus gallicus equus caballus germanicus equus caballus piveteaui equus ferus caballus linnaeus, 1758 equus hippagrus smith, 1841 equus neogaeus lund, 1840 equus neogeus lund, 1840 hipphaplus bravardi ameghino, 1889 hippidium neogaeum lund, 1840 homonyms equus. A new genus of horse from pleistocene north america elife. The scientific name for the modern horse is equus caballus. Information about equus caballus in the dictionary, synonyms and antonyms. I have run on middle fingernail through eolithic morning, i have thundered down the coach road with the revolutions warning.
Adapted to plains environments, all equus species, including the ass and the zebra, have lengthened foot bones ending in a single. Horses are also known as amazing jumpers and racers. The genus equus includes horses, donkeys and zebras. Equus caballus is a large nonruminant herbivorous mammal that is not dissimlar in appearance to the domestic horse. Order perissodactyla family equidae genus equus species equus caballus. The horse equus caballus linnaeus, 1758 is a mammal living in close relation with the man like the cattle, the sheep and goats and the pigs since the bronze age from 3. They are mammals, with long heads and necks with a mane of hair. Cuvier, 1823 hemionus stehlin and graziosi, 1935 hemippus dietrich, 1959 hippotigris c. Equus genus, a genus of animals including horses, donkeys, zebras and onagers equus play, a play by peter shaffer equus film, a film adaptation of the peter shaffer play equus comics, a comic book character. Equus caballus solidhoofed herbivorous quadruped domesticated since prehistoric times horse encolure the mane of a horse horseback the back. A primitive trait in two breeds of equus caballus revealed. The rest of the taxonomic groups are in the explanation section.
The equidae or genus equus of authors naturalists library, william jardine volume 12 of naturalists library. The major stable social unit is a harem, where usually one mature stallion lives with several mature mares and their. Horses are obligate herbivores, with nutritional requirements as listed in a table. What are the characteristics of genus equus answers. Equus caballus synonyms, equus caballus pronunciation, equus caballus translation, english dictionary definition of equus caballus. I have carried countless errant knights who never found the grail. Files are available under licenses specified on their description page. Like equidae more broadly, equus has numerous extinct species known only from fossils. During the early eocene there appeared the first ancestral horse, a hoofed, browsing mammal designated correctly as hyracotherium but. Trending searches antonym buffoon slowdown challenge negativeimpact negative whiteperson seamless quarantine potential good outofthebox thinking forthefirsttime preemptive bittersweet connect downplay happy vulnerability spread online furlough doable surge struggle generous telugu focus cohesiveness criticalthinking environment important masochist consortium curfew ecosystem. They have long, slender legs with a single toe protected by a hoof. Przewalskis horse was saved from the brink of extinction and reintroduced successfully to the wild. I have strained before the caissons i have moved the nations mail.
Use caballus in a sentence caballus sentence examples. Or genus equus of authors, charles hamilton smith the naturalists library. The only modernday genus of truly wild never domesticated horses is the przewalskis horse of asia, which is smaller on average compared to domesticated varieties in the equus genus. Equus lambei is an extinct species of the genus equus. The wild horse is a species of the genus equus, which includes as subspecies the modern domesticated horse as well as the undomesticated tarpan, now extinct, and the endangered przewalskis horse. Azzaroli 1984, bennett and hoffman 1999, and forsten 1988 are among those who have used the name caballus for the species. The current study investigates this finding and compares it to members of the genus equus to identify either a breed anomaly or functional primitive trait. While adw staff and contributors provide references to books and websites that we believe are reputable, we. Within equidae, equus is the only recognized extant genus, comprising seven living species. Based on recent examinations of the mtdna of equus lambei remains, scientists have concluded that e. It was domesticated from wild horses by humans at least 5000 years ago. Equus is the only exception that has species now living palmer, 1999. A taxonomic subspecies within the family equidae the domesticated horse.
Firstly, we hypothesized that all the roundworms from equus hosts were the same species. Mammalia volume, part 1 of the natural history of horses. Equus is a genus of mammals in the family equidae, which includes horses, donkeys, and. Equus lambei common names include yukon horse, and yukon wild horse is an extinct species of the genus equus. Eutherian quadruped mammal, infra class placentals placentalia, order perissodactyls perissodactyla, family equids, genus equus. Olim aetate classica hoc animal simplice nomine equus appellatum est, et caballus appellabatur solus equus maxime equitandi aptus vel veteris equus. Due to the domestication of equus caballus, and its widespread distribution following domestication, the natural geographic range is typically considered the distribution in the late glacial period, 9,50015,000 years ago. Equus caballus is the largest species in the genus willough by, 1974. The horse equus ferus caballus is one of two extant subspecies of equus ferus. Horses, portraits, underground machinery coalesce into a subterranean.
Caballus rafinesque, 1815 dolichohippus heller, 1912 grevya hilzheimer, 1912 hemionus f. Horse simple english wikipedia, the free encyclopedia. It is an oddtoed ungulate mammal belonging to the taxonomic family equidae. Equus caballus definition of equus caballus by the free. A male horse is a stallion, and a female horse is a mare. Equus is the only surviving genus in the once diverse family of horses. Species, equus caballus linnaeus, 1758 feral horse, horse. Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. Genome sequence, comparative analysis and population.
The pairwise fixation index fst values, an index of genetic differentiation among the three different equus hosts e. Information about genus equus in the dictionary, synonyms and antonyms. This page was last edited on 28 october 2016, at 21. The genus equus linnaeus, 1758 was named to include three living equid groups horses e. By 7000 years ago, the equus genus became extinct in north america and was rare elsewhere possibly due to climate change andor human arrival in north america. Subspeciesequus caballus przewalskiiprzewalskis wild horse. Books on transport order perissodactyla this means animals having hooves made from an odd number of toes. Equus ferus caballus est nomen scientificum equi domesticabilis, mammalis quadrupedis herbivorique, collo longo curvoque, quibus homines utuntur advehendi seu equitandi causa. Proper usage and audio pronunciation of the word equus caballus.
Within the family equidae, 42 of 43 genera are extinct taxa known only from fossils. The equidae or genus equus of authors smith, charles hamilton, gesner, konrad on. First described in 1758 by linnaeus through the domestic horse, equus caballus also known as e. Summary domestic horses are equid members of the class mammalia, order perissodactyla, and family equidae. Lifetodaybooks and horses wikibooks, open books for. Special subject books on trains genus equus for the horse, its genus name is equus, meaning any sort of horse. Domesticated about 3,000 years ago, the horse had a profound impact on human history in. Kingdom animalia phylum chordata class mammalia order perissodactyla family equidae genus equus species caballus. Book, highspeed trains, species, caballus, caballus means an ordinary horse. Subspecies equus caballus przewalskiiprzewalskis wild horse.
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